How to calculate the surface area of a sphere given a radius.
How to define a tangent line; how to determine the angle a radius to a tangent forms.
How to derive the formula to calculate the area of a circle.
How to calculate the volume of a sphere.
How to derive the formula for the area of an annulus.
How to calculate the area between a square and an inscribed circle.
How to derive the equation for a circle using the distance formula.
How to define circumscribed and inscribed circles and polygons relative to each other.
How to calculate the circumference of a circle.
How to use the distance formula to derive the equation for a circle.
The periodic trend of atomic radii.
All about ellipses.
How to write the parametric equations of a circle centered at (0,0) with radius r, oriented counter-clockwise.
How to compare the volume of a cone and a cylinder and how to calculate the volume of a cone given the radius and height.
How to define arc length and how it is different from arc measure; how to calculate the length of an arc.
How to derive the formula to calculate the area of a sector in a circle.